995493431 has 2 divisors, whose sum is σ = 995493432. Its totient is φ = 995493430.

The previous prime is 995493427. The next prime is 995493449. The reversal of 995493431 is 134394599.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 995493431 - 2² = 995493427 is a prime.

It is a super-2 number, since 2×995493431² = 1982014342328303522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (995493461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497746715 + 497746716.

It is an arithmetic number, because the mean of its divisors is an integer number (497746716).

Almost surely, 2^995493431 is an apocalyptic number.

995493431 is a deficient number, since it is larger than the sum of its proper divisors (1).

995493431 is an equidigital number, since it uses as much as digits as its factorization.

995493431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 524880, while the sum is 47.

The square root of 995493431 is about 31551.4410288976. The cubic root of 995493431 is about 998.4955480928.

The spelling of 995493431 in words is "nine hundred ninety-five million, four hundred ninety-three thousand, four hundred thirty-one".