451550425 has 12 divisors (see below), whose sum is σ = 573580476. Its totient is φ = 352428800.

The previous prime is 451550419. The next prime is 451550441. The reversal of 451550425 is 524055154.

It can be written as a sum of positive squares in 6 ways, for example, as 15116544 + 436433881 = 3888^2 + 20891^2 .

It is not a de Polignac number, because 451550425 - 2⁹ = 451549913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219244 + ... + 221293.

It is an arithmetic number, because the mean of its divisors is an integer number (47798373).

Almost surely, 2^451550425 is an apocalyptic number.

It is an amenable number.

451550425 is a deficient number, since it is larger than the sum of its proper divisors (122030051).

451550425 is a wasteful number, since it uses less digits than its factorization.

451550425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440588 (or 440583 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 451550425 is about 21249.7158804536. The cubic root of 451550425 is about 767.1885015881.

The spelling of 451550425 in words is "four hundred fifty-one million, five hundred fifty thousand, four hundred twenty-five".