61025534 has 4 divisors (see below), whose sum is σ = 91538304. Its totient is φ = 30512766.

The previous prime is 61025527. The next prime is 61025551. The reversal of 61025534 is 43552016.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15256382 + ... + 15256385.

It is an arithmetic number, because the mean of its divisors is an integer number (22884576).

Almost surely, 2^61025534 is an apocalyptic number.

61025534 is a deficient number, since it is larger than the sum of its proper divisors (30512770).

61025534 is a wasteful number, since it uses less digits than its factorization.

61025534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30512769.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 61025534 is about 7811.8841517268. The cubic root of 61025534 is about 393.7046366149.

The spelling of 61025534 in words is "sixty-one million, twenty-five thousand, five hundred thirty-four".