625426533 has 6 divisors (see below), whose sum is σ = 903393894. Its totient is φ = 416951016.

The previous prime is 625426531. The next prime is 625426547. The reversal of 625426533 is 335624526.

625426533 is a `hidden beast` number, since 62 + 542 + 6 + 53 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 572979969 + 52446564 = 23937^2 + 7242^2 .

It is not a de Polignac number, because 625426533 - 2¹ = 625426531 is a prime.

It is a super-4 number, since 4×625426533⁴ (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625426531) 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, 34745910 + ... + 34745927.

It is an arithmetic number, because the mean of its divisors is an integer number (150565649).

Almost surely, 2^625426533 is an apocalyptic number.

It is an amenable number.

625426533 is a deficient number, since it is larger than the sum of its proper divisors (277967361).

625426533 is a wasteful number, since it uses less digits than its factorization.

625426533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69491843 (or 69491840 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The square root of 625426533 is about 25008.5292050532. The cubic root of 625426533 is about 855.1824254224.

The spelling of 625426533 in words is "six hundred twenty-five million, four hundred twenty-six thousand, five hundred thirty-three".