242562631 has 8 divisors (see below), whose sum is σ = 252821504. Its totient is φ = 232455960.

The previous prime is 242562611. The next prime is 242562643. The reversal of 242562631 is 136265242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242562631 is a prime.

It is a super-2 number, since 2×242562631² = 117673259915284322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242562593 and 242562602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242562611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34791 + ... + 41176.

It is an arithmetic number, because the mean of its divisors is an integer number (31602688).

Almost surely, 2^242562631 is an apocalyptic number.

242562631 is a deficient number, since it is larger than the sum of its proper divisors (10258873).

242562631 is a wasteful number, since it uses less digits than its factorization.

242562631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76101.

The product of its digits is 17280, while the sum is 31.

The square root of 242562631 is about 15574.4223327865. The cubic root of 242562631 is about 623.6505335214.

It can be divided in two parts, 2425 and 62631, that added together give a palindrome (65056).

The spelling of 242562631 in words is "two hundred forty-two million, five hundred sixty-two thousand, six hundred thirty-one".