245441531 has 2 divisors, whose sum is σ = 245441532. Its totient is φ = 245441530.

The previous prime is 245441527. The next prime is 245441561. The reversal of 245441531 is 135144542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245441531 - 2² = 245441527 is a prime.

It is a super-2 number, since 2×245441531² = 120483090279247922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245441494 and 245441503.

It is not a weakly prime, because it can be changed into another prime (245441561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122720765 + 122720766.

It is an arithmetic number, because the mean of its divisors is an integer number (122720766).

Almost surely, 2^245441531 is an apocalyptic number.

245441531 is a deficient number, since it is larger than the sum of its proper divisors (1).

245441531 is an equidigital number, since it uses as much as digits as its factorization.

245441531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 29.

The square root of 245441531 is about 15666.5736841212. The cubic root of 245441531 is about 626.1081405314.

The spelling of 245441531 in words is "two hundred forty-five million, four hundred forty-one thousand, five hundred thirty-one".