245425531 has 8 divisors (see below), whose sum is σ = 264670560. Its totient is φ = 226232832.

The previous prime is 245425529. The next prime is 245425547. The reversal of 245425531 is 135524542.

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 245425531 - 2¹ = 245425529 is a prime.

It is a super-2 number, since 2×245425531² = 120467382533263922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245425493 and 245425502.

It is not an unprimeable number, because it can be changed into a prime (245425501) 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, 3046 + ... + 22363.

It is an arithmetic number, because the mean of its divisors is an integer number (33083820).

Almost surely, 2^245425531 is an apocalyptic number.

245425531 is a deficient number, since it is larger than the sum of its proper divisors (19245029).

245425531 is a wasteful number, since it uses less digits than its factorization.

245425531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26165.

The product of its digits is 24000, while the sum is 31.

The square root of 245425531 is about 15666.0630344704. The cubic root of 245425531 is about 626.0945351894.

The spelling of 245425531 in words is "two hundred forty-five million, four hundred twenty-five thousand, five hundred thirty-one".