25252020413 has 8 divisors (see below), whose sum is σ = 26352188736. Its totient is φ = 24152040000.

The previous prime is 25252020397. The next prime is 25252020419. The reversal of 25252020413 is 31402025252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25252020413 - 2⁴ = 25252020397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25252020419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274538 + ... + 354788.

It is an arithmetic number, because the mean of its divisors is an integer number (3294023592).

Almost surely, 2^25252020413 is an apocalyptic number.

25252020413 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

25252020413 is a deficient number, since it is larger than the sum of its proper divisors (1100168323).

25252020413 is a wasteful number, since it uses less digits than its factorization.

25252020413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93955.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 25252020413 its reverse (31402025252), we get a palindrome (56654045665).

The spelling of 25252020413 in words is "twenty-five billion, two hundred fifty-two million, twenty thousand, four hundred thirteen".