561257962 has 4 divisors (see below), whose sum is σ = 841886946. Its totient is φ = 280628980.

The previous prime is 561257959. The next prime is 561257971. The reversal of 561257962 is 269752165.

561257962 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 375235641 + 186022321 = 19371^2 + 13639^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140314489 + ... + 140314492.

Almost surely, 2^561257962 is an apocalyptic number.

561257962 is a deficient number, since it is larger than the sum of its proper divisors (280628984).

561257962 is a wasteful number, since it uses less digits than its factorization.

561257962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280628983.

The product of its digits is 226800, while the sum is 43.

The square root of 561257962 is about 23690.8835208820. The cubic root of 561257962 is about 824.8737912843.

The spelling of 561257962 in words is "five hundred sixty-one million, two hundred fifty-seven thousand, nine hundred sixty-two".