25190916 has 48 divisors (see below), whose sum is σ = 60278400. Its totient is φ = 8186112.

The previous prime is 25190897. The next prime is 25190917. The reversal of 25190916 is 61909152.

It is not an unprimeable number, because it can be changed into a prime (25190917) 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, 109890 + ... + 110118.

It is an arithmetic number, because the mean of its divisors is an integer number (1255800).

Almost surely, 2^25190916 is an apocalyptic number.

It is an amenable number.

25190916 is an abundant number, since it is smaller than the sum of its proper divisors (35087484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25190916 is a wasteful number, since it uses less digits than its factorization.

25190916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 33.

The square root of 25190916 is about 5019.0552895938. The cubic root of 25190916 is about 293.1442094724.

It can be divided in two parts, 25190 and 916, that added together give a triangular number (26106 = T₂₂₈).

The spelling of 25190916 in words is "twenty-five million, one hundred ninety thousand, nine hundred sixteen".