61251395 has 8 divisors (see below), whose sum is σ = 73670256. Its totient is φ = 48888736.

The previous prime is 61251389. The next prime is 61251397. The reversal of 61251395 is 59315216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61251395 - 2⁶ = 61251331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61251397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11612 + ... + 16041.

It is an arithmetic number, because the mean of its divisors is an integer number (9208782).

Almost surely, 2^61251395 is an apocalyptic number.

61251395 is a deficient number, since it is larger than the sum of its proper divisors (12418861).

61251395 is a wasteful number, since it uses less digits than its factorization.

61251395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28101.

The product of its digits is 8100, while the sum is 32.

The square root of 61251395 is about 7826.3270440226. The cubic root of 61251395 is about 394.1897507341.

The spelling of 61251395 in words is "sixty-one million, two hundred fifty-one thousand, three hundred ninety-five".