525544465 has 16 divisors (see below), whose sum is σ = 666241920. Its totient is φ = 396869760.

The previous prime is 525544451. The next prime is 525544483. The reversal of 525544465 is 564445525.

It is a happy number.

It is not a de Polignac number, because 525544465 - 2¹⁷ = 525413393 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16852 + ... + 36538.

It is an arithmetic number, because the mean of its divisors is an integer number (41640120).

Almost surely, 2^525544465 is an apocalyptic number.

It is an amenable number.

525544465 is a deficient number, since it is larger than the sum of its proper divisors (140697455).

525544465 is a wasteful number, since it uses less digits than its factorization.

525544465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19992.

The product of its digits is 480000, while the sum is 40.

The square root of 525544465 is about 22924.7565963087. The cubic root of 525544465 is about 806.9931014020.

The spelling of 525544465 in words is "five hundred twenty-five million, five hundred forty-four thousand, four hundred sixty-five".