1036725531 has 4 divisors (see below), whose sum is σ = 1382300712. Its totient is φ = 691150352.

The previous prime is 1036725493. The next prime is 1036725541. The reversal of 1036725531 is 1355276301.

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 1036725531 - 2²⁷ = 902507803 is a prime.

It is a super-2 number, since 2×1036725531² = 2149599653254463922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1036725492 and 1036725501.

It is not an unprimeable number, because it can be changed into a prime (1036725541) 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, 172787586 + ... + 172787591.

It is an arithmetic number, because the mean of its divisors is an integer number (345575178).

Almost surely, 2^1036725531 is an apocalyptic number.

1036725531 is a deficient number, since it is larger than the sum of its proper divisors (345575181).

1036725531 is an equidigital number, since it uses as much as digits as its factorization.

1036725531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345575180.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 1036725531 is about 32198.2224819943. Note that the first 3 decimals coincide. The cubic root of 1036725531 is about 1012.0949656881.

The spelling of 1036725531 in words is "one billion, thirty-six million, seven hundred twenty-five thousand, five hundred thirty-one".