6401245031 has 4 divisors (see below), whose sum is σ = 6410509464. Its totient is φ = 6391980600.

The previous prime is 6401245013. The next prime is 6401245063. The reversal of 6401245031 is 1305421046.

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

It is a cyclic number.

It is not a de Polignac number, because 6401245031 - 2²⁶ = 6334136167 is a prime.

It is a super-2 number, since 2×6401245031² = 81951875893804381922, which contains 22 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 (6401245231) 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, 4631180 + ... + 4632561.

It is an arithmetic number, because the mean of its divisors is an integer number (1602627366).

Almost surely, 2^6401245031 is an apocalyptic number.

6401245031 is a deficient number, since it is larger than the sum of its proper divisors (9264433).

6401245031 is an equidigital number, since it uses as much as digits as its factorization.

6401245031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9264432.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 6401245031 is about 80007.7810653439. The cubic root of 6401245031 is about 1856.7559198470.

Adding to 6401245031 its reverse (1305421046), we get a palindrome (7706666077).

The spelling of 6401245031 in words is "six billion, four hundred one million, two hundred forty-five thousand, thirty-one".