1372651001 has 2 divisors, whose sum is σ = 1372651002. Its totient is φ = 1372651000.

The previous prime is 1372650949. The next prime is 1372651003. The reversal of 1372651001 is 1001562731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 974688400 + 397962601 = 31220^2 + 19949^2 .

It is a cyclic number.

It is not a de Polignac number, because 1372651001 - 2²⁶ = 1305542137 is a prime.

Together with 1372651003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1372651003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686325500 + 686325501.

It is an arithmetic number, because the mean of its divisors is an integer number (686325501).

Almost surely, 2^1372651001 is an apocalyptic number.

It is an amenable number.

1372651001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1372651001 is an equidigital number, since it uses as much as digits as its factorization.

1372651001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 1372651001 is about 37049.3050002291. The cubic root of 1372651001 is about 1111.3564568317.

The spelling of 1372651001 in words is "one billion, three hundred seventy-two million, six hundred fifty-one thousand, one".