245231251541 has 4 divisors (see below), whose sum is σ = 250448937792. Its totient is φ = 240013565292.

The previous prime is 245231251513. The next prime is 245231251547. The reversal of 245231251541 is 145152132542.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 245231251541 - 2¹⁸ = 245230989397 is a prime.

It is a super-3 number, since 3×245231251541³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245231251547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2608843055 + ... + 2608843148.

It is an arithmetic number, because the mean of its divisors is an integer number (62612234448).

Almost surely, 2^245231251541 is an apocalyptic number.

It is an amenable number.

245231251541 is a deficient number, since it is larger than the sum of its proper divisors (5217686251).

245231251541 is an equidigital number, since it uses as much as digits as its factorization.

245231251541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5217686250.

The product of its digits is 48000, while the sum is 35.

The spelling of 245231251541 in words is "two hundred forty-five billion, two hundred thirty-one million, two hundred fifty-one thousand, five hundred forty-one".