61457367 has 4 divisors (see below), whose sum is σ = 81943160. Its totient is φ = 40971576.

The previous prime is 61457359. The next prime is 61457377. The reversal of 61457367 is 76375416.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 61457367 - 2³ = 61457359 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 (61457377) 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, 10242892 + ... + 10242897.

It is an arithmetic number, because the mean of its divisors is an integer number (20485790).

Almost surely, 2^61457367 is an apocalyptic number.

61457367 is a deficient number, since it is larger than the sum of its proper divisors (20485793).

61457367 is a wasteful number, since it uses less digits than its factorization.

61457367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20485792.

The product of its digits is 105840, while the sum is 39.

The square root of 61457367 is about 7839.4749186409. The cubic root of 61457367 is about 394.6311078218.

The spelling of 61457367 in words is "sixty-one million, four hundred fifty-seven thousand, three hundred sixty-seven".