1501402373 has 2 divisors, whose sum is σ = 1501402374. Its totient is φ = 1501402372.

The previous prime is 1501402367. The next prime is 1501402381. The reversal of 1501402373 is 3732041051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 777684769 + 723717604 = 27887^2 + 26902^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1501402373 is a prime.

It is a super-2 number, since 2×1501402373² = 4508418171300062258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1501452373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 750701186 + 750701187.

It is an arithmetic number, because the mean of its divisors is an integer number (750701187).

Almost surely, 2^1501402373 is an apocalyptic number.

It is an amenable number.

1501402373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1501402373 is an equidigital number, since it uses as much as digits as its factorization.

1501402373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 1501402373 is about 38747.9337900745. The cubic root of 1501402373 is about 1145.0708684040.

The spelling of 1501402373 in words is "one billion, five hundred one million, four hundred two thousand, three hundred seventy-three".