245534531 has 12 divisors (see below), whose sum is σ = 274984416. Its totient is φ = 218995920.

The previous prime is 245534507. The next prime is 245534573. The reversal of 245534531 is 135435542.

It is a happy number.

245534531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 245534531 - 2⁶ = 245534467 is a prime.

It is a super-2 number, since 2×245534531² = 120574411826779922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245537531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12731 + ... + 25556.

It is an arithmetic number, because the mean of its divisors is an integer number (22915368).

Almost surely, 2^245534531 is an apocalyptic number.

245534531 is a deficient number, since it is larger than the sum of its proper divisors (29449885).

245534531 is a wasteful number, since it uses less digits than its factorization.

245534531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38362 (or 38351 counting only the distinct ones).

The product of its digits is 36000, while the sum is 32.

The square root of 245534531 is about 15669.5415057365. The cubic root of 245534531 is about 626.1872098778.

The spelling of 245534531 in words is "two hundred forty-five million, five hundred thirty-four thousand, five hundred thirty-one".