901562231 has 4 divisors (see below), whose sum is σ = 901624200. Its totient is φ = 901500264.

The previous prime is 901562227. The next prime is 901562279. The reversal of 901562231 is 132265109.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 901562231 - 2² = 901562227 is a prime.

It is a super-2 number, since 2×901562231² = 1625628912731394722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 901562194 and 901562203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (901562281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4025 + ... + 42653.

It is an arithmetic number, because the mean of its divisors is an integer number (225406050).

Almost surely, 2^901562231 is an apocalyptic number.

901562231 is a deficient number, since it is larger than the sum of its proper divisors (61969).

901562231 is a wasteful number, since it uses less digits than its factorization.

901562231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61968.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 901562231 is about 30026.0258942138. The cubic root of 901562231 is about 966.0476977793.

The spelling of 901562231 in words is "nine hundred one million, five hundred sixty-two thousand, two hundred thirty-one".