60513531 has 16 divisors (see below), whose sum is σ = 87064320. Its totient is φ = 37164960.

The previous prime is 60513493. The next prime is 60513533. The reversal of 60513531 is 13531506.

It is not a de Polignac number, because 60513531 - 2¹⁷ = 60382459 is a prime.

It is a super-2 number, since 2×60513531² = 7323774868175922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (60513533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23380 + ... + 25838.

It is an arithmetic number, because the mean of its divisors is an integer number (5441520).

Almost surely, 2^60513531 is an apocalyptic number.

60513531 is a deficient number, since it is larger than the sum of its proper divisors (26550789).

60513531 is a wasteful number, since it uses less digits than its factorization.

60513531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3106.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 60513531 is about 7779.0443500471. The cubic root of 60513531 is about 392.6004849084.

It can be divided in two parts, 60 and 513531, that added together give a triangular number (513591 = T₁₀₁₃).

The spelling of 60513531 in words is "sixty million, five hundred thirteen thousand, five hundred thirty-one".