245341531 has 8 divisors (see below), whose sum is σ = 254228480. Its totient is φ = 236599272.

The previous prime is 245341519. The next prime is 245341543. The reversal of 245341531 is 135143542.

It is an interprime number because it is at equal distance from previous prime (245341519) and next prime (245341543).

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 245341531 - 2⁷ = 245341403 is a prime.

It is a super-2 number, since 2×245341531² = 120384933666847922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245341531.

It is not an unprimeable number, because it can be changed into a prime (245311531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32715 + ... + 39508.

It is an arithmetic number, because the mean of its divisors is an integer number (31778560).

Almost surely, 2^245341531 is an apocalyptic number.

245341531 is a deficient number, since it is larger than the sum of its proper divisors (8886949).

245341531 is an equidigital number, since it uses as much as digits as its factorization.

245341531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72345.

The product of its digits is 7200, while the sum is 28.

The square root of 245341531 is about 15663.3818506732. The cubic root of 245341531 is about 626.0230974408.

The spelling of 245341531 in words is "two hundred forty-five million, three hundred forty-one thousand, five hundred thirty-one".