25153545254 has 4 divisors (see below), whose sum is σ = 37730317884. Its totient is φ = 12576772626.

The previous prime is 25153545251. The next prime is 25153545259. The reversal of 25153545254 is 45254535152.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25153545251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6288386312 + ... + 6288386315.

It is an arithmetic number, because the mean of its divisors is an integer number (9432579471).

Almost surely, 2^25153545254 is an apocalyptic number.

25153545254 is a deficient number, since it is larger than the sum of its proper divisors (12576772630).

25153545254 is a wasteful number, since it uses less digits than its factorization.

25153545254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12576772629.

The product of its digits is 600000, while the sum is 41.

The spelling of 25153545254 in words is "twenty-five billion, one hundred fifty-three million, five hundred forty-five thousand, two hundred fifty-four".