61453528 has 8 divisors (see below), whose sum is σ = 115225380. Its totient is φ = 30726760.

The previous prime is 61453519. The next prime is 61453537. The reversal of 61453528 is 82535416.

It is an interprime number because it is at equal distance from previous prime (61453519) and next prime (61453537).

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×61453528² = 7553072207293568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61453493 and 61453502.

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, 3840838 + ... + 3840853.

Almost surely, 2^61453528 is an apocalyptic number.

It is an amenable number.

61453528 is a deficient number, since it is larger than the sum of its proper divisors (53771852).

61453528 is a wasteful number, since it uses less digits than its factorization.

61453528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7681697 (or 7681693 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 61453528 is about 7839.2300642346. The cubic root of 61453528 is about 394.6228906330.

The spelling of 61453528 in words is "sixty-one million, four hundred fifty-three thousand, five hundred twenty-eight".