625632411 has 16 divisors (see below), whose sum is σ = 851248640. Its totient is φ = 408628800.

The previous prime is 625632391. The next prime is 625632431. The reversal of 625632411 is 114236526.

It is an interprime number because it is at equal distance from previous prime (625632391) and next prime (625632431).

It is not a de Polignac number, because 625632411 - 2⁵ = 625632379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (625632431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23610 + ... + 42528.

It is an arithmetic number, because the mean of its divisors is an integer number (53203040).

Almost surely, 2^625632411 is an apocalyptic number.

625632411 is a deficient number, since it is larger than the sum of its proper divisors (225616229).

625632411 is a wasteful number, since it uses less digits than its factorization.

625632411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19146.

The product of its digits is 8640, while the sum is 30.

The square root of 625632411 is about 25012.6450220683. The cubic root of 625632411 is about 855.2762514876.

Adding to 625632411 its reverse (114236526), we get a palindrome (739868937).

The spelling of 625632411 in words is "six hundred twenty-five million, six hundred thirty-two thousand, four hundred eleven".