731422051 has 2 divisors, whose sum is σ = 731422052. Its totient is φ = 731422050.

The previous prime is 731422009. The next prime is 731422067. The reversal of 731422051 is 150224137.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 731422051 - 2⁹ = 731421539 is a prime.

It is not a weakly prime, because it can be changed into another prime (731462051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365711025 + 365711026.

It is an arithmetic number, because the mean of its divisors is an integer number (365711026).

Almost surely, 2^731422051 is an apocalyptic number.

731422051 is a deficient number, since it is larger than the sum of its proper divisors (1).

731422051 is an equidigital number, since it uses as much as digits as its factorization.

731422051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 731422051 is about 27044.8156029950. The cubic root of 731422051 is about 900.9956269859.

Adding to 731422051 its reverse (150224137), we get a palindrome (881646188).

The spelling of 731422051 in words is "seven hundred thirty-one million, four hundred twenty-two thousand, fifty-one".