61421354 has 12 divisors (see below), whose sum is σ = 95202882. Its totient is φ = 29719080.

The previous prime is 61421351. The next prime is 61421359. The reversal of 61421354 is 45312416.

It can be written as a sum of positive squares in only one way, i.e., 44422225 + 16999129 = 6665^2 + 4123^2 .

It is not an unprimeable number, because it can be changed into a prime (61421351) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14057 + ... + 17900.

Almost surely, 2^61421354 is an apocalyptic number.

61421354 is a deficient number, since it is larger than the sum of its proper divisors (33781528).

61421354 is a wasteful number, since it uses less digits than its factorization.

61421354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32021 (or 31990 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 61421354 is about 7837.1776807726. The cubic root of 61421354 is about 394.5540103278.

The spelling of 61421354 in words is "sixty-one million, four hundred twenty-one thousand, three hundred fifty-four".