425940451 has 4 divisors (see below), whose sum is σ = 426076072. Its totient is φ = 425804832.

The previous prime is 425940443. The next prime is 425940469. The reversal of 425940451 is 154049524.

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 425940451 - 2³ = 425940443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425940421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62985 + ... + 69418.

It is an arithmetic number, because the mean of its divisors is an integer number (106519018).

Almost surely, 2^425940451 is an apocalyptic number.

425940451 is a deficient number, since it is larger than the sum of its proper divisors (135621).

425940451 is a wasteful number, since it uses less digits than its factorization.

425940451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135620.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 425940451 is about 20638.3248108949. The cubic root of 425940451 is about 752.4014586033.

Adding to 425940451 its reverse (154049524), we get a palindrome (579989975).

The spelling of 425940451 in words is "four hundred twenty-five million, nine hundred forty thousand, four hundred fifty-one".