61357398 has 8 divisors (see below), whose sum is σ = 122714808. Its totient is φ = 20452464.

The previous prime is 61357397. The next prime is 61357421. The reversal of 61357398 is 89375316.

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

61357398 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61357397) 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, 5113111 + ... + 5113122.

It is an arithmetic number, because the mean of its divisors is an integer number (15339351).

Almost surely, 2^61357398 is an apocalyptic number.

61357398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61357398 is a wasteful number, since it uses less digits than its factorization.

61357398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10226238.

The product of its digits is 136080, while the sum is 42.

The square root of 61357398 is about 7833.0963226556. The cubic root of 61357398 is about 394.4170174733.

The spelling of 61357398 in words is "sixty-one million, three hundred fifty-seven thousand, three hundred ninety-eight".