4528402 has 4 divisors (see below), whose sum is σ = 6792606. Its totient is φ = 2264200.

The previous prime is 4528399. The next prime is 4528417. The reversal of 4528402 is 2048254.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 4157521 + 370881 = 2039^2 + 609^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1132099 + ... + 1132102.

Almost surely, 2^4528402 is an apocalyptic number.

4528402 is a deficient number, since it is larger than the sum of its proper divisors (2264204).

4528402 is a wasteful number, since it uses less digits than its factorization.

4528402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264203.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 4528402 is about 2128.0042293191. The cubic root of 4528402 is about 165.4429725359.

The spelling of 4528402 in words is "four million, five hundred twenty-eight thousand, four hundred two".