265620242 has 16 divisors (see below), whose sum is σ = 405781920. Its totient is φ = 130366368.

The previous prime is 265620217. The next prime is 265620253. The reversal of 265620242 is 242026562.

It is a happy number.

265620242 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×265620242² = 141108225920277128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110558 + ... + 112934.

It is an arithmetic number, because the mean of its divisors is an integer number (25361370).

Almost surely, 2^265620242 is an apocalyptic number.

265620242 is a deficient number, since it is larger than the sum of its proper divisors (140161678).

265620242 is a wasteful number, since it uses less digits than its factorization.

265620242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3385.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 265620242 is about 16297.8600435763. The cubic root of 265620242 is about 642.8165594745.

The spelling of 265620242 in words is "two hundred sixty-five million, six hundred twenty thousand, two hundred forty-two".