1373650525 has 12 divisors (see below), whose sum is σ = 1834352212. Its totient is φ = 1014387840.

The previous prime is 1373650501. The next prime is 1373650547. The reversal of 1373650525 is 5250563731.

It can be written as a sum of positive squares in 6 ways, for example, as 210772324 + 1162878201 = 14518^2 + 34101^2 .

It is not a de Polignac number, because 1373650525 - 2¹¹ = 1373648477 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2112984 + ... + 2113633.

Almost surely, 2^1373650525 is an apocalyptic number.

It is an amenable number.

1373650525 is a deficient number, since it is larger than the sum of its proper divisors (460701687).

1373650525 is a wasteful number, since it uses less digits than its factorization.

1373650525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4226640 (or 4226635 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 37.

The square root of 1373650525 is about 37062.7916514663. The cubic root of 1373650525 is about 1111.6261437211.

It can be divided in two parts, 13736 and 50525, that added together give a triangular number (64261 = T₃₅₈).

The spelling of 1373650525 in words is "one billion, three hundred seventy-three million, six hundred fifty thousand, five hundred twenty-five".