1572940001 has 2 divisors, whose sum is σ = 1572940002. Its totient is φ = 1572940000.

The previous prime is 1572939983. The next prime is 1572940003. The reversal of 1572940001 is 1000492751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1424685025 + 148254976 = 37745^2 + 12176^2 .

It is a cyclic number.

It is not a de Polignac number, because 1572940001 - 2⁶ = 1572939937 is a prime.

Together with 1572940003, 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 (1572940003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 786470000 + 786470001.

It is an arithmetic number, because the mean of its divisors is an integer number (786470001).

Almost surely, 2^1572940001 is an apocalyptic number.

It is an amenable number.

1572940001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1572940001 is an equidigital number, since it uses as much as digits as its factorization.

1572940001 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 29.

The square root of 1572940001 is about 39660.3076261393. The cubic root of 1572940001 is about 1162.9759105266.

The spelling of 1572940001 in words is "one billion, five hundred seventy-two million, nine hundred forty thousand, one".