61253534 has 8 divisors (see below), whose sum is σ = 91928088. Its totient is φ = 30610840.

The previous prime is 61253513. The next prime is 61253557. The reversal of 61253534 is 43535216.

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

It is a junction number, because it is equal to n+sod(n) for n = 61253497 and 61253506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2372 + ... + 11319.

It is an arithmetic number, because the mean of its divisors is an integer number (11491011).

Almost surely, 2^61253534 is an apocalyptic number.

61253534 is a deficient number, since it is larger than the sum of its proper divisors (30674554).

61253534 is a wasteful number, since it uses less digits than its factorization.

61253534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15930.

The product of its digits is 10800, while the sum is 29.

The square root of 61253534 is about 7826.4636969707. The cubic root of 61253534 is about 394.1943392666.

The spelling of 61253534 in words is "sixty-one million, two hundred fifty-three thousand, five hundred thirty-four".