25097406 has 32 divisors (see below), whose sum is σ = 53460000. Its totient is φ = 7827456.

The previous prime is 25097399. The next prime is 25097407. The reversal of 25097406 is 60479052.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25097407) 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, 19470 + ... + 20718.

It is an arithmetic number, because the mean of its divisors is an integer number (1670625).

Almost surely, 2^25097406 is an apocalyptic number.

25097406 is an abundant number, since it is smaller than the sum of its proper divisors (28362594).

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

25097406 is a wasteful number, since it uses less digits than its factorization.

25097406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 25097406 is about 5009.7311305099. The cubic root of 25097406 is about 292.7810375086.

The spelling of 25097406 in words is "twenty-five million, ninety-seven thousand, four hundred six".