61253575 has 6 divisors (see below), whose sum is σ = 75954464. Its totient is φ = 49002840.

The previous prime is 61253557. The next prime is 61253609. The reversal of 61253575 is 57535216.

It is not a de Polignac number, because 61253575 - 2¹³ = 61245383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61253575.

It is a congruent 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, 1225047 + ... + 1225096.

Almost surely, 2^61253575 is an apocalyptic number.

61253575 is a deficient number, since it is larger than the sum of its proper divisors (14700889).

61253575 is a wasteful number, since it uses less digits than its factorization.

61253575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2450153 (or 2450148 counting only the distinct ones).

The product of its digits is 31500, while the sum is 34.

The square root of 61253575 is about 7826.4663162886. The cubic root of 61253575 is about 394.1944272178.

The spelling of 61253575 in words is "sixty-one million, two hundred fifty-three thousand, five hundred seventy-five".