25020040351 has 6 divisors (see below), whose sum is σ = 26406192552. Its totient is φ = 23703195780.

The previous prime is 25020040321. The next prime is 25020040363. The reversal of 25020040351 is 15304002052.

It is not a de Polignac number, because 25020040351 - 2⁹ = 25020039839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25020040321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34653435 + ... + 34654156.

It is an arithmetic number, because the mean of its divisors is an integer number (4401032092).

Almost surely, 2^25020040351 is an apocalyptic number.

25020040351 is a deficient number, since it is larger than the sum of its proper divisors (1386152201).

25020040351 is an equidigital number, since it uses as much as digits as its factorization.

25020040351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69307629 (or 69307610 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The spelling of 25020040351 in words is "twenty-five billion, twenty million, forty thousand, three hundred fifty-one".