61352477 has 4 divisors (see below), whose sum is σ = 64020000. Its totient is φ = 58684956.

The previous prime is 61352471. The next prime is 61352479. The reversal of 61352477 is 77425316.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61352477 - 2⁴ = 61352461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61352471) 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, 1333727 + ... + 1333772.

It is an arithmetic number, because the mean of its divisors is an integer number (16005000).

Almost surely, 2^61352477 is an apocalyptic number.

It is an amenable number.

61352477 is a deficient number, since it is larger than the sum of its proper divisors (2667523).

61352477 is a wasteful number, since it uses less digits than its factorization.

61352477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2667522.

The product of its digits is 35280, while the sum is 35.

The square root of 61352477 is about 7832.7822004700. The cubic root of 61352477 is about 394.4064728169.

The spelling of 61352477 in words is "sixty-one million, three hundred fifty-two thousand, four hundred seventy-seven".