25140501254 has 64 divisors (see below), whose sum is σ = 43075556352. Its totient is φ = 10905312000.

The previous prime is 25140501229. The next prime is 25140501283. The reversal of 25140501254 is 45210504152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6995282 + ... + 6998874.

It is an arithmetic number, because the mean of its divisors is an integer number (673055568).

Almost surely, 2^25140501254 is an apocalyptic number.

25140501254 is a deficient number, since it is larger than the sum of its proper divisors (17935055098).

25140501254 is a wasteful number, since it uses less digits than its factorization.

25140501254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3821.

The product of its (nonzero) digits is 8000, while the sum is 29.

The spelling of 25140501254 in words is "twenty-five billion, one hundred forty million, five hundred one thousand, two hundred fifty-four".