625426401 has 8 divisors (see below), whose sum is σ = 877791520. Its totient is φ = 395006112.

The previous prime is 625426393. The next prime is 625426409. The reversal of 625426401 is 104624526.

It is an interprime number because it is at equal distance from previous prime (625426393) and next prime (625426409).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 625426401 - 2³ = 625426393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (625426409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5486140 + ... + 5486253.

It is an arithmetic number, because the mean of its divisors is an integer number (109723940).

Almost surely, 2^625426401 is an apocalyptic number.

It is an amenable number.

625426401 is a deficient number, since it is larger than the sum of its proper divisors (252365119).

625426401 is a wasteful number, since it uses less digits than its factorization.

625426401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10972415.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 625426401 is about 25008.5265659535. The cubic root of 625426401 is about 855.1823652586.

The spelling of 625426401 in words is "six hundred twenty-five million, four hundred twenty-six thousand, four hundred one".