25034913 has 20 divisors (see below), whose sum is σ = 39368560. Its totient is φ = 15810552.

The previous prime is 25034909. The next prime is 25034923. The reversal of 25034913 is 31943052.

It is not a de Polignac number, because 25034913 - 2² = 25034909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25034923) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6595 + ... + 9672.

It is an arithmetic number, because the mean of its divisors is an integer number (1968428).

Almost surely, 2^25034913 is an apocalyptic number.

It is an amenable number.

25034913 is a deficient number, since it is larger than the sum of its proper divisors (14333647).

25034913 is a wasteful number, since it uses less digits than its factorization.

25034913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16298 (or 16289 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 25034913 is about 5003.4900819328. The cubic root of 25034913 is about 292.5378254830.

Adding to 25034913 its reverse (31943052), we get a palindrome (56977965).

The spelling of 25034913 in words is "twenty-five million, thirty-four thousand, nine hundred thirteen".