25354780 has 24 divisors (see below), whose sum is σ = 58086000. Its totient is φ = 9219840.

The previous prime is 25354751. The next prime is 25354811. The reversal of 25354780 is 8745352.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57405 + ... + 57844.

It is an arithmetic number, because the mean of its divisors is an integer number (2420250).

Almost surely, 2^25354780 is an apocalyptic number.

25354780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25354780 is an abundant number, since it is smaller than the sum of its proper divisors (32731220).

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

25354780 is a wasteful number, since it uses less digits than its factorization.

25354780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115269 (or 115267 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 25354780 is about 5035.3530164230. The cubic root of 25354780 is about 293.7784592919.

The spelling of 25354780 in words is "twenty-five million, three hundred fifty-four thousand, seven hundred eighty".