465400025 has 24 divisors (see below), whose sum is σ = 585687960. Its totient is φ = 366819840.

The previous prime is 465399971. The next prime is 465400073. The reversal of 465400025 is 520004564.

It can be written as a sum of positive squares in 12 ways, for example, as 33965584 + 431434441 = 5828^2 + 20771^2 .

It is not a de Polignac number, because 465400025 - 2¹² = 465395929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 465399967 and 465400003.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 634559 + ... + 635291.

It is an arithmetic number, because the mean of its divisors is an integer number (24403665).

Almost surely, 2^465400025 is an apocalyptic number.

It is an amenable number.

465400025 is a deficient number, since it is larger than the sum of its proper divisors (120287935).

465400025 is a wasteful number, since it uses less digits than its factorization.

465400025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085 (or 1080 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 465400025 is about 21573.1320164690. The cubic root of 465400025 is about 774.9531848239.

Adding to 465400025 its reverse (520004564), we get a palindrome (985404589).

The spelling of 465400025 in words is "four hundred sixty-five million, four hundred thousand, twenty-five".