7542022451 has 4 divisors (see below), whose sum is σ = 7669853400. Its totient is φ = 7414191504.

The previous prime is 7542022441. The next prime is 7542022531. The reversal of 7542022451 is 1542202457.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7542022451 - 2⁶ = 7542022387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7542022441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63915386 + ... + 63915503.

It is an arithmetic number, because the mean of its divisors is an integer number (1917463350).

Almost surely, 2^7542022451 is an apocalyptic number.

7542022451 is a deficient number, since it is larger than the sum of its proper divisors (127830949).

7542022451 is a wasteful number, since it uses less digits than its factorization.

7542022451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127830948.

The product of its (nonzero) digits is 22400, while the sum is 32.

The square root of 7542022451 is about 86844.8182161722. The cubic root of 7542022451 is about 1961.0828435318.

The spelling of 7542022451 in words is "seven billion, five hundred forty-two million, twenty-two thousand, four hundred fifty-one".