992420531 has 2 divisors, whose sum is σ = 992420532. Its totient is φ = 992420530.

The previous prime is 992420519. The next prime is 992420551. The reversal of 992420531 is 135024299.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-992420531 is a prime.

It is a super-2 number, since 2×992420531² = 1969797020700643922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 992420491 and 992420500.

It is not a weakly prime, because it can be changed into another prime (992420501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496210265 + 496210266.

It is an arithmetic number, because the mean of its divisors is an integer number (496210266).

Almost surely, 2^992420531 is an apocalyptic number.

992420531 is a deficient number, since it is larger than the sum of its proper divisors (1).

992420531 is an equidigital number, since it uses as much as digits as its factorization.

992420531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 992420531 is about 31502.7067249784. The cubic root of 992420531 is about 997.4671001685.

The spelling of 992420531 in words is "nine hundred ninety-two million, four hundred twenty thousand, five hundred thirty-one".