245532531 has 8 divisors (see below), whose sum is σ = 338665680. Its totient is φ = 158043872.

The previous prime is 245532527. The next prime is 245532557. The reversal of 245532531 is 135235542.

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

It is a cyclic number.

It is not a de Polignac number, because 245532531 - 2² = 245532527 is a prime.

It is a super-2 number, since 2×245532531² = 120572447558531922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245532031) 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, 1411020 + ... + 1411193.

It is an arithmetic number, because the mean of its divisors is an integer number (42333210).

Almost surely, 2^245532531 is an apocalyptic number.

245532531 is a deficient number, since it is larger than the sum of its proper divisors (93133149).

245532531 is a wasteful number, since it uses less digits than its factorization.

245532531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822245.

The product of its digits is 18000, while the sum is 30.

The square root of 245532531 is about 15669.4776875300. The cubic root of 245532531 is about 626.1855096718.

The spelling of 245532531 in words is "two hundred forty-five million, five hundred thirty-two thousand, five hundred thirty-one".