61342512425 has 6 divisors (see below), whose sum is σ = 76064715438. Its totient is φ = 49074009920.

The previous prime is 61342512403. The next prime is 61342512467. The reversal of 61342512425 is 52421524316.

It can be written as a sum of positive squares in 3 ways, for example, as 538843369 + 60803669056 = 23213^2 + 246584^2 .

It is not a de Polignac number, because 61342512425 - 2¹⁶ = 61342446889 is a prime.

It is a super-2 number, since 2×61342512425² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1226850224 + ... + 1226850273.

It is an arithmetic number, because the mean of its divisors is an integer number (12677452573).

Almost surely, 2^61342512425 is an apocalyptic number.

It is an amenable number.

61342512425 is a deficient number, since it is larger than the sum of its proper divisors (14722203013).

61342512425 is a wasteful number, since it uses less digits than its factorization.

61342512425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2453700507 (or 2453700502 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The spelling of 61342512425 in words is "sixty-one billion, three hundred forty-two million, five hundred twelve thousand, four hundred twenty-five".