402255061 has 16 divisors (see below), whose sum is σ = 457307200. Its totient is φ = 350759808.

The previous prime is 402255053. The next prime is 402255109. The reversal of 402255061 is 160552204.

It is a cyclic number.

It is not a de Polignac number, because 402255061 - 2³ = 402255053 is a prime.

It is a super-2 number, since 2×402255061² = 323618268200227442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402255031) 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, 91465 + ... + 95761.

It is an arithmetic number, because the mean of its divisors is an integer number (28581700).

Almost surely, 2^402255061 is an apocalyptic number.

It is an amenable number.

402255061 is a deficient number, since it is larger than the sum of its proper divisors (55052139).

402255061 is a wasteful number, since it uses less digits than its factorization.

402255061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4708.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 402255061 is about 20056.2972903774. The cubic root of 402255061 is about 738.1883251389.

The spelling of 402255061 in words is "four hundred two million, two hundred fifty-five thousand, sixty-one".