1025451 has 24 divisors (see below), whose sum is σ = 1738464. Its totient is φ = 570240.

The previous prime is 1025443. The next prime is 1025459. The reversal of 1025451 is 1545201.

It is an interprime number because it is at equal distance from previous prime (1025443) and next prime (1025459).

It is not a de Polignac number, because 1025451 - 2³ = 1025443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1025459) 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 23 ways as a sum of consecutive naturals, for example, 2385 + ... + 2781.

It is an arithmetic number, because the mean of its divisors is an integer number (72436).

2^1025451 is an apocalyptic number.

1025451 is a deficient number, since it is larger than the sum of its proper divisors (713013).

1025451 is a wasteful number, since it uses less digits than its factorization.

1025451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1025451 is about 1012.6455450946. The cubic root of 1025451 is about 100.8412694768.

The spelling of 1025451 in words is "one million, twenty-five thousand, four hundred fifty-one".