242625506 has 4 divisors (see below), whose sum is σ = 363938262. Its totient is φ = 121312752.

The previous prime is 242625469. The next prime is 242625541. The reversal of 242625506 is 605526242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 605526242 = 2 ⋅302763121.

It can be written as a sum of positive squares in only one way, i.e., 153983281 + 88642225 = 12409^2 + 9415^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60656375 + ... + 60656378.

Almost surely, 2^242625506 is an apocalyptic number.

242625506 is a deficient number, since it is larger than the sum of its proper divisors (121312756).

242625506 is a wasteful number, since it uses less digits than its factorization.

242625506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121312755.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 242625506 is about 15576.4407359319. The cubic root of 242625506 is about 623.7044146428.

The spelling of 242625506 in words is "two hundred forty-two million, six hundred twenty-five thousand, five hundred six".