61242475 has 24 divisors (see below), whose sum is σ = 88227488. Its totient is φ = 41299200.

The previous prime is 61242469. The next prime is 61242499. The reversal of 61242475 is 57424216.

It is not a de Polignac number, because 61242475 - 2¹⁷ = 61111403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7807 + ... + 13543.

Almost surely, 2^61242475 is an apocalyptic number.

61242475 is a deficient number, since it is larger than the sum of its proper divisors (26985013).

61242475 is a wasteful number, since it uses less digits than its factorization.

61242475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5815 (or 5810 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 61242475 is about 7825.7571518672. The cubic root of 61242475 is about 394.1706146078.

The spelling of 61242475 in words is "sixty-one million, two hundred forty-two thousand, four hundred seventy-five".