245020430531 has 8 divisors (see below), whose sum is σ = 255684349440. Its totient is φ = 234357416392.

The previous prime is 245020430513. The next prime is 245020430533. The reversal of 245020430531 is 135034020542.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245020430531 is a prime.

It is a super-2 number, since 2×245020430531² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245020430494 and 245020430503.

It is not an unprimeable number, because it can be changed into a prime (245020430533) 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, 359510 + ... + 786948.

It is an arithmetic number, because the mean of its divisors is an integer number (31960543680).

Almost surely, 2^245020430531 is an apocalyptic number.

245020430531 is a deficient number, since it is larger than the sum of its proper divisors (10663918909).

245020430531 is a wasteful number, since it uses less digits than its factorization.

245020430531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452385.

The product of its (nonzero) digits is 14400, while the sum is 29.

The spelling of 245020430531 in words is "two hundred forty-five billion, twenty million, four hundred thirty thousand, five hundred thirty-one".