526042631 has 4 divisors (see below), whose sum is σ = 527558952. Its totient is φ = 524526312.

The previous prime is 526042619. The next prime is 526042633. The reversal of 526042631 is 136240625.

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 526042631 - 2⁶ = 526042567 is a prime.

It is a super-2 number, since 2×526042631² = 553441699258804322, 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 = 526042594 and 526042603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (526042633) 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, 757640 + ... + 758333.

It is an arithmetic number, because the mean of its divisors is an integer number (131889738).

Almost surely, 2^526042631 is an apocalyptic number.

526042631 is a deficient number, since it is larger than the sum of its proper divisors (1516321).

526042631 is a wasteful number, since it uses less digits than its factorization.

526042631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516320.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 526042631 is about 22935.6192634949. The cubic root of 526042631 is about 807.2480050270.

The spelling of 526042631 in words is "five hundred twenty-six million, forty-two thousand, six hundred thirty-one".