1552004261 has 2 divisors, whose sum is σ = 1552004262. Its totient is φ = 1552004260.

The previous prime is 1552004213. The next prime is 1552004269. The reversal of 1552004261 is 1624002551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1543704100 + 8300161 = 39290^2 + 2881^2 .

It is a cyclic number.

It is not a de Polignac number, because 1552004261 - 2¹⁸ = 1551742117 is a prime.

It is a super-2 number, since 2×1552004261² = 4817434452324312242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1552004261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1552004269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776002130 + 776002131.

It is an arithmetic number, because the mean of its divisors is an integer number (776002131).

Almost surely, 2^1552004261 is an apocalyptic number.

It is an amenable number.

1552004261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1552004261 is an equidigital number, since it uses as much as digits as its factorization.

1552004261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1552004261 is about 39395.4852870224. The cubic root of 1552004261 is about 1157.7931339802.

The spelling of 1552004261 in words is "one billion, five hundred fifty-two million, four thousand, two hundred sixty-one".