61252577 has 4 divisors (see below), whose sum is σ = 62408340. Its totient is φ = 60096816.

The previous prime is 61252573. The next prime is 61252579. The reversal of 61252577 is 77525216.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 25240576 + 36012001 = 5024^2 + 6001^2 .

It is a cyclic number.

It is not a de Polignac number, because 61252577 - 2² = 61252573 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61252573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577802 + ... + 577907.

It is an arithmetic number, because the mean of its divisors is an integer number (15602085).

Almost surely, 2^61252577 is an apocalyptic number.

It is an amenable number.

61252577 is a deficient number, since it is larger than the sum of its proper divisors (1155763).

61252577 is a wasteful number, since it uses less digits than its factorization.

61252577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155762.

The product of its digits is 29400, while the sum is 35.

The square root of 61252577 is about 7826.4025580084. The cubic root of 61252577 is about 394.1922863459.

The spelling of 61252577 in words is "sixty-one million, two hundred fifty-two thousand, five hundred seventy-seven".