401572575 has 18 divisors (see below), whose sum is σ = 719261504. Its totient is φ = 214171920.

The previous prime is 401572553. The next prime is 401572583. The reversal of 401572575 is 575275104.

401572575 is a `hidden beast` number, since 4 + 0 + 15 + 72 + 575 = 666.

It is not a de Polignac number, because 401572575 - 2¹¹ = 401570527 is a prime.

It is a super-2 number, since 2×401572575² = 322521065984261250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 892159 + ... + 892608.

Almost surely, 2^401572575 is an apocalyptic number.

401572575 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

401572575 is a deficient number, since it is larger than the sum of its proper divisors (317688929).

401572575 is a wasteful number, since it uses less digits than its factorization.

401572575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784783 (or 1784775 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 36.

The square root of 401572575 is about 20039.2758102682. The cubic root of 401572575 is about 737.7706064318.

The spelling of 401572575 in words is "four hundred one million, five hundred seventy-two thousand, five hundred seventy-five".