401525342 has 4 divisors (see below), whose sum is σ = 602288016. Its totient is φ = 200762670.

The previous prime is 401525323. The next prime is 401525351. The reversal of 401525342 is 243525104.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×401525342² = 322445200536433928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 100381334 + ... + 100381337.

It is an arithmetic number, because the mean of its divisors is an integer number (150572004).

Almost surely, 2^401525342 is an apocalyptic number.

401525342 is a deficient number, since it is larger than the sum of its proper divisors (200762674).

401525342 is a wasteful number, since it uses less digits than its factorization.

401525342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200762673.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 401525342 is about 20038.0972649601. The cubic root of 401525342 is about 737.7416797507.

The spelling of 401525342 in words is "four hundred one million, five hundred twenty-five thousand, three hundred forty-two".