401253599 has 8 divisors (see below), whose sum is σ = 416925360. Its totient is φ = 385704256.

The previous prime is 401253583. The next prime is 401253637. The reversal of 401253599 is 995352104.

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

It is a cyclic number.

It is not a de Polignac number, because 401253599 - 2⁴ = 401253583 is a prime.

It is a super-2 number, since 2×401253599² = 322008901420905602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401253509) 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 in 7 ways as a sum of consecutive naturals, for example, 23894 + ... + 37059.

It is an arithmetic number, because the mean of its divisors is an integer number (52115670).

Almost surely, 2^401253599 is an apocalyptic number.

401253599 is a deficient number, since it is larger than the sum of its proper divisors (15671761).

401253599 is a wasteful number, since it uses less digits than its factorization.

401253599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61209.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 401253599 is about 20031.3154585514. The cubic root of 401253599 is about 737.5752133959.

The spelling of 401253599 in words is "four hundred one million, two hundred fifty-three thousand, five hundred ninety-nine".