2506346531 has 4 divisors (see below), whose sum is σ = 2699142432. Its totient is φ = 2313550632.

The previous prime is 2506346527. The next prime is 2506346543. The reversal of 2506346531 is 1356436052.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2506346531 - 2² = 2506346527 is a prime.

It is a super-2 number, since 2×2506346531² = 12563545866911467922, 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 = 2506346491 and 2506346500.

It is not an unprimeable number, because it can be changed into a prime (2506346551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96397931 + ... + 96397956.

It is an arithmetic number, because the mean of its divisors is an integer number (674785608).

Almost surely, 2^2506346531 is an apocalyptic number.

2506346531 is a deficient number, since it is larger than the sum of its proper divisors (192795901).

2506346531 is a wasteful number, since it uses less digits than its factorization.

2506346531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192795900.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 2506346531 is about 50063.4250825890. The cubic root of 2506346531 is about 1358.3563135243.

The spelling of 2506346531 in words is "two billion, five hundred six million, three hundred forty-six thousand, five hundred thirty-one".