900831007 has 2 divisors, whose sum is σ = 900831008. Its totient is φ = 900831006.

The previous prime is 900830977. The next prime is 900831047. The reversal of 900831007 is 700138009.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 900831007 - 2²⁷ = 766613279 is a prime.

It is a super-2 number, since 2×900831007² = 1622993006345268098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (900831047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450415503 + 450415504.

It is an arithmetic number, because the mean of its divisors is an integer number (450415504).

Almost surely, 2^900831007 is an apocalyptic number.

900831007 is a deficient number, since it is larger than the sum of its proper divisors (1).

900831007 is an equidigital number, since it uses as much as digits as its factorization.

900831007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 900831007 is about 30013.8469210463. The cubic root of 900831007 is about 965.7864518733.

The spelling of 900831007 in words is "nine hundred million, eight hundred thirty-one thousand, seven".