240626563 has 2 divisors, whose sum is σ = 240626564. Its totient is φ = 240626562.

The previous prime is 240626549. The next prime is 240626567. The reversal of 240626563 is 365626042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240626563 - 2⁵ = 240626531 is a prime.

It is a super-2 number, since 2×240626563² = 115802285642385938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (240626567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120313281 + 120313282.

It is an arithmetic number, because the mean of its divisors is an integer number (120313282).

Almost surely, 2^240626563 is an apocalyptic number.

240626563 is a deficient number, since it is larger than the sum of its proper divisors (1).

240626563 is an equidigital number, since it uses as much as digits as its factorization.

240626563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 240626563 is about 15512.1424374585. The cubic root of 240626563 is about 621.9868303991.

It can be divided in two parts, 24062 and 6563, that added together give a square (30625 = 175²).

The spelling of 240626563 in words is "two hundred forty million, six hundred twenty-six thousand, five hundred sixty-three".