402925001 has 4 divisors (see below), whose sum is σ = 424131600. Its totient is φ = 381718404.

The previous prime is 402924997. The next prime is 402925009. The reversal of 402925001 is 100529204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 402925001 - 2² = 402924997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402925009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10603271 + ... + 10603308.

It is an arithmetic number, because the mean of its divisors is an integer number (106032900).

Almost surely, 2^402925001 is an apocalyptic number.

It is an amenable number.

402925001 is a deficient number, since it is larger than the sum of its proper divisors (21206599).

402925001 is a wasteful number, since it uses less digits than its factorization.

402925001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21206598.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 402925001 is about 20072.9918298195. The cubic root of 402925001 is about 738.5979057272.

The spelling of 402925001 in words is "four hundred two million, nine hundred twenty-five thousand, one".