402052601 has 16 divisors (see below), whose sum is σ = 437261328. Its totient is φ = 368179200.

The previous prime is 402052583. The next prime is 402052603. The reversal of 402052601 is 106250204.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 72267001 + 329785600 = 8501^2 + 18160^2 .

It is not a de Polignac number, because 402052601 - 2²⁶ = 334943737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402052603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426791 + ... + 427731.

It is an arithmetic number, because the mean of its divisors is an integer number (27328833).

Almost surely, 2^402052601 is an apocalyptic number.

402052601 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

402052601 is a deficient number, since it is larger than the sum of its proper divisors (35208727).

402052601 is a wasteful number, since it uses less digits than its factorization.

402052601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 402052601 is about 20051.2493625709. The cubic root of 402052601 is about 738.0644578850.

The spelling of 402052601 in words is "four hundred two million, fifty-two thousand, six hundred one".