61353957 has 8 divisors (see below), whose sum is σ = 93491776. Its totient is φ = 35059392.

The previous prime is 61353899. The next prime is 61353961. The reversal of 61353957 is 75935316.

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

It is not a de Polignac number, because 61353957 - 2¹⁶ = 61288421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61353967) 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, 1460788 + ... + 1460829.

It is an arithmetic number, because the mean of its divisors is an integer number (11686472).

Almost surely, 2^61353957 is an apocalyptic number.

It is an amenable number.

61353957 is a deficient number, since it is larger than the sum of its proper divisors (32137819).

61353957 is a wasteful number, since it uses less digits than its factorization.

61353957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2921627.

The product of its digits is 85050, while the sum is 39.

The square root of 61353957 is about 7832.8766746324. The cubic root of 61353957 is about 394.4096442014.

The spelling of 61353957 in words is "sixty-one million, three hundred fifty-three thousand, nine hundred fifty-seven".