25155430 has 32 divisors (see below), whose sum is σ = 48787200. Its totient is φ = 9307872.

The previous prime is 25155413. The next prime is 25155433. The reversal of 25155430 is 3455152.

It is a junction number, because it is equal to n+sod(n) for n = 25155395 and 25155404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25155433) 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, 6631 + ... + 9709.

It is an arithmetic number, because the mean of its divisors is an integer number (1524600).

Almost surely, 2^25155430 is an apocalyptic number.

25155430 is a deficient number, since it is larger than the sum of its proper divisors (23631770).

25155430 is a wasteful number, since it uses less digits than its factorization.

25155430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3148.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 25155430 is about 5015.5189163236. The cubic root of 25155430 is about 293.0064957577.

The spelling of 25155430 in words is "twenty-five million, one hundred fifty-five thousand, four hundred thirty".